#exchange {
  width: 100%;
  height: 100%;
  background-color: #000;
}
#exchange .middle {
  position: absolute;
  width: 100%;
  height: 90%;
  bottom: 0;
}
#exchange .leftCon {
  float: left;
  width: 20%;
}
#exchange .rightCon {
  float: left;
  width: 80%;
  height: calc(100% - 2.2em);
  border: 2px solid #21252B;
}
#exchange .title {
  font-size: 1em;
  line-height: 2em;
  float: left;
  background-color: #282C34;
  color: #fff;
  font-weight: 600;
  overflow: hidden;
}
#exchange .leftTitle {
  width: 20%;
  float: left;
}
#exchange .rightTitle {
  width: 80%;
  float: left;
}
#exchange .title1 {
  text-align: left;
  width: 35%;
  overflow: hidden;
}
#exchange .title2 {
  text-align: left;
  overflow: hidden;
  width: 32%;
}
#exchange .title3 {
  text-align: left;
  width: 13%;
  overflow: hidden;
}
#exchange .title4 {
  text-align: left;
  width: 20%;
  overflow: hidden;
}

#exchange .title4 button{
    border-width: 0.2em;
}

#exchange .content {
  width: 100%;
  height: calc(100% - 2.5em);
}

#exchange .content .line{
}

#exchange .bottom {
  width: 100%;
  height: 2em;
}
#exchange .line div {
  line-height: 1.2em;
  display: inline-block;
  overflow: hidden;
}

#exchange .line button {
  border-width: 3px;
}

#exchange .return{
  display: none;
}

#exchange #accordion .submenu li{
  font-size: 0.8em;
}
